231666140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{681371}}^1$

素因数の和:681397

約数の個数: 24

約数和(自身を含む): 515117232

約数和(自身を除く): 283451092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 681371, 1362742, 2725484, 3406855, 6813710, 11583307, 13627420, 23166614, 46333228, 57916535, 115833070, 231666140]

約数ペア:

[(1, 231666140), (2, 115833070), (4, 57916535), (5, 46333228), (10, 23166614), (17, 13627420), (20, 11583307), (34, 6813710), (68, 3406855), (85, 2725484), (170, 1362742), (340, 681371)]